[lkml]   [2012]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 6/7 v6] drm/i915/intel_i2c: reuse GMBUS2 value read in polling loop
On Thu, 29 Mar 2012 02:26:38 +0800, Daniel Kurtz <> wrote:
> Save the GMBUS2 value read while polling for state changes, and then
> reuse this value when determining for which reason the loops were exited.
> This is a small optimization which saves a couple of bus accesses for
> memory mapped IO registers.
> To avoid "assigning in if clause" checkpatch errors", use a ret variable
> to store the wait_for macro return value.
> Signed-off-by: Daniel Kurtz <>
Reviewed-by: Chris Wilson <>

Chris Wilson, Intel Open Source Technology Centre

 \ /
  Last update: 2012-03-28 20:55    [W:0.112 / U:0.776 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site